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- /*
- * dspcom.c - C source for GNU CHESS
- *
- * Copyright (c) 1988,1989,1990 John Stanback
- * Copyright (c) 1992 Free Software Foundation
- *
- * This file is part of GNU CHESS.
- *
- * GNU Chess is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2, or (at your option)
- * any later version.
- *
- * GNU Chess is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Chess; see the file COPYING. If not, write to
- * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
- */
- #include "gnuchess.h"
- #include "ataks.h"
- extern short Mwpawn[64], Mbpawn[64], Mknight[2][64], Mbishop[2][64];
- extern char *version, *patchlevel;
- char mvstr[4][6];
- char *InPtr;
-
-
- #include <ctype.h>
- #include <signal.h>
- #ifdef MSDOS
- #include <dos.h>
- #include <conio.h>
- #include <stdlib.h>
- #include <string.h>
- #include <time.h>
- #else
- #ifndef AMIGA
- #include <sys/param.h>
- #include <sys/types.h>
- #include <sys/file.h>
- #include <sys/ioctl.h>
- #define WarnMessage ShowMessage
- #else
- #include <sys/types.h>
- extern int get_command;
- #endif /* AMIGA */
- #endif /* MSDOS */
-
- void
- algbr (short int f, short int t, short int flag)
-
-
- /*
- * Generate move strings in different formats.
- */
-
- {
- int m3p;
-
- if (f != t)
- {
- /* algebraic notation */
- mvstr[0][0] = cxx[column (f)];
- mvstr[0][1] = rxx[row (f)];
- mvstr[0][2] = cxx[column (t)];
- mvstr[0][3] = rxx[row (t)];
- mvstr[0][4] = mvstr[3][0] = '\0';
- if (((mvstr[1][0] = pxx[board[f]]) == 'P') || (flag & promote))
- {
- if (mvstr[0][0] == mvstr[0][2]) /* pawn did not eat */
- {
- mvstr[2][0] = mvstr[1][0] = mvstr[0][2]; /* to column */
- mvstr[2][1] = mvstr[1][1] = mvstr[0][3]; /* to row */
- m3p = 2;
- }
- else
- /* pawn ate */
- {
- mvstr[2][0] = mvstr[1][0] = mvstr[0][0]; /* column */
- mvstr[2][1] = mvstr[1][1] = mvstr[0][2]; /* to column */
- mvstr[2][2] = mvstr[0][3];
- m3p = 3; /* to row */
- }
- if (flag & promote)
- {
- mvstr[0][4] = mvstr[1][2] = mvstr[2][m3p] = qxx[flag & pmask];
- mvstr[0][5] = mvstr[1][3] = mvstr[2][m3p + 1] = mvstr[3][0] = '\0';
- #ifdef CHESSTOOL
- mvstr[3][0] = mvstr[0][0]; /* Allow e7e8 for chesstool */
- mvstr[3][1] = mvstr[0][1];
- mvstr[3][2] = mvstr[0][2];
- mvstr[3][3] = mvstr[0][3];
- mvstr[3][4] = '\0';
- #endif
- }
- mvstr[2][m3p] = mvstr[1][2] = '\0';
- }
- else
- /* not a pawn */
- {
- mvstr[2][0] = mvstr[1][0];
- mvstr[2][1] = mvstr[0][1];
- mvstr[2][2] = mvstr[1][1] = mvstr[0][2]; /* to column */
- mvstr[2][3] = mvstr[1][2] = mvstr[0][3]; /* to row */
- mvstr[2][4] = mvstr[1][3] = '\0';
- strcpy (mvstr[3], mvstr[2]);
- mvstr[3][1] = mvstr[0][0];
- if (flag & cstlmask)
- {
- if (t > f)
- {
- strcpy (mvstr[1], CP[5]);
- strcpy (mvstr[2], CP[7]);
- }
- else
- {
- strcpy (mvstr[1], CP[6]);
- strcpy (mvstr[2], CP[8]);
- }
- }
- }
- }
- else
- mvstr[0][0] = mvstr[1][0] = mvstr[2][0] = mvstr[3][0] = '\0';
- }
-
-
- int
- VerifyMove (char *s, short int iop, unsigned short int *mv)
-
- /*
- * Compare the string 's' to the list of legal moves available for the
- * opponent. If a match is found, make the move on the board.
- */
-
- {
- static short pnt, tempb, tempc, tempsf, tempst, cnt;
- static struct leaf xnode;
- struct leaf *node;
-
- *mv = 0;
- if (iop == 2)
- {
- UnmakeMove (opponent, &xnode, &tempb, &tempc, &tempsf, &tempst);
- return (false);
- }
- cnt = 0;
- MoveList (opponent, 2);
- pnt = TrPnt[2];
- while (pnt < TrPnt[3])
- {
- node = &Tree[pnt++];
- algbr (node->f, node->t, (short) node->flags);
- if (strcmp (s, mvstr[0]) == 0 || strcmp (s, mvstr[1]) == 0 ||
- strcmp (s, mvstr[2]) == 0 || strcmp (s, mvstr[3]) == 0)
- {
- cnt++;
- xnode = *node;
- }
- }
- if (cnt == 1)
- {
- MakeMove (opponent, &xnode, &tempb, &tempc, &tempsf, &tempst, &INCscore);
- if (SqAtakd (PieceList[opponent][0], computer))
- {
- UnmakeMove (opponent, &xnode, &tempb, &tempc, &tempsf, &tempst);
- #if defined CHESSTOOL
- printz (CP[15]);
- #else
- #ifdef NONDSP
- /* Illegal move in check */
- printz (CP[77]);
- printz ("\n");
- #else
- /* Illegal move in check */
- WarnMessage (CP[77]);
- #endif
- #endif /* CHESSTOOL */
- return (false);
- }
- else
- {
- if (iop == 1)
- return (true);
- UpdateDisplay (xnode.f, xnode.t, 0, (short) xnode.flags);
- if ((board[xnode.t] == pawn)
- || (xnode.flags & capture)
- || (xnode.flags & cstlmask))
- {
- Game50 = GameCnt;
- ZeroRPT ();
- }
- GameList[GameCnt].depth = GameList[GameCnt].score = 0;
- GameList[GameCnt].nodes = 0;
- ElapsedTime (1);
- GameList[GameCnt].time = et;
- if (TCflag)
- {
- TimeControl.clock[opponent] -= et;
- --TimeControl.moves[opponent];
- }
- *mv = (xnode.f << 8) | xnode.t;
- algbr (xnode.f, xnode.t, false);
- return (true);
- }
- }
- #if defined CHESSTOOL
- printz (CP[78]);
- #else
- #ifdef NONDSP
- /* Illegal move */
- printz (CP[75], s);
- #ifdef DEBUG8
- if (1)
- {
- FILE *D;
- int r, c, l;
- extern unsigned short int PrVar[];
- D = fopen ("/tmp/DEBUG", "a+");
- pnt = TrPnt[2];
- fprintf (D, "resp = %d\n", ResponseTime);
- fprintf (D, "iop = %d\n", iop);
- fprintf (D, "matches = %d\n", cnt);
- algbr (hint >> 8, hint & 0xff, (short) 0);
- fprintf (D, "hint %s\n", mvstr[0]);
- fprintf (D, "inout move is %s\n", s);
- for (r = 1; PrVar[r]; r++)
- {
- algbr (PrVar[r] >> 8, PrVar[r] & 0xff, (short) 0);
- fprintf (D, " %s", mvstr[0]);
- }
- fprintf (D, "\n");
- fprintf (D, "legal move are \n");
- while (pnt < TrPnt[3])
- {
- node = &Tree[pnt++];
- algbr (node->f, node->t, (short) node->flags);
- fprintf (D, "%s %s %s %s\n", mvstr[0], mvstr[1], mvstr[2], mvstr[3]);
- }
- fprintf (D, "\n current board is\n");
- for (r = 7; r >= 0; r--)
- {
- for (c = 0; c <= 7; c++)
- {
- l = locn (r, c);
- if (color[l] == neutral)
- fprintf (D, " -");
- else if (color[l] == white)
- fprintf (D, " %c", qxx[board[l]]);
- else
- fprintf (D, " %c", pxx[board[l]]);
- }
- fprintf (D, "\n");
- }
- fprintf (D, "\n");
- fclose (D);
- abort ();
- }
- #endif
- #else
- /* Illegal move */
- WarnMessage (CP[76]);
- #endif
- #endif /* CHESSTOOL */
- #if !defined CHESSTOOL && !defined XBOARD
- if (cnt > 1)
- WarnMessage (CP[32]);
- #endif /* CHESSTOOL */
- return (false);
- }
-
- int
- parser (char *f, int side)
- {
- int c1, r1, c2, r2;
-
- if (f[4] == 'o')
- if (side == black)
- return 0x3C3A;
- else
- return 0x0402;
- else if (f[0] == 'o')
- if (side == black)
- return 0x3C3E;
- else
- return 0x0406;
- else
- {
- c1 = f[0] - 'a';
- r1 = f[1] - '1';
- c2 = f[2] - 'a';
- r2 = f[3] - '1';
- return (locn (r1, c1) << 8) | locn (r2, c2);
- }
- /*NOTREACHED*/
- }
-
- void
- GetGame (void)
- {
- FILE *fd;
- char fname[256], *p;
- int c, i, j;
- short sq;
- /* enter file name */
- ShowMessage (CP[63]);
- scanz ("%s", fname);
- /* chess.000 */
- if (fname[0] == '\0')
- strcpy (fname, CP[137]);
- if ((fd = fopen (fname, "r")) != NULL)
- {
- NewGame ();
- fgets (fname, 256, fd);
- computer = opponent = white;
- InPtr = fname;
- skip ();
- if (*InPtr == 'c')
- computer = black;
- else
- opponent = black;
- skip ();
- skip ();
- skip ();
- Game50 = atoi (InPtr);
- fgets (fname, 256, fd);
- InPtr = &fname[14];
- castld[white] = ((*InPtr == CP[214][0]) ? true : false);
- skip ();
- skip ();
- castld[black] = ((*InPtr == CP[214][0]) ? true : false);
- fgets (fname, 256, fd);
- InPtr = &fname[11];
- skipb ();
- TCflag = atoi (InPtr);
- skip ();
- InPtr += 14;
- skipb ();
- OperatorTime = atoi (InPtr);
- fgets (fname, 256, fd);
- InPtr = &fname[11];
- skipb ();
- TimeControl.clock[white] = atoi (InPtr);
- skip ();
- skip ();
- TimeControl.moves[white] = atoi (InPtr);
- fgets (fname, 256, fd);
- InPtr = &fname[11];
- skipb ();
- TimeControl.clock[black] = atoi (InPtr);
- skip ();
- skip ();
- TimeControl.moves[black] = atoi (InPtr);
- fgets (fname, 256, fd);
- for (i = 7; i > -1; i--)
- {
- fgets (fname, 256, fd);
- p = &fname[2];
- InPtr = &fname[11];
- skipb ();
- for (j = 0; j < 8; j++)
- {
- sq = i * 8 + j;
- if (*p == '.')
- {
- board[sq] = no_piece;
- color[sq] = neutral;
- }
- else
- {
- for (c = 0; c < 8; c++)
- {
- if (*p == pxx[c])
- {
- board[sq] = c;
- color[sq] = black;
- }
- }
- for (c = 0; c < 8; c++)
- {
- if (*p == qxx[c])
- {
- board[sq] = c;
- color[sq] = white;
- }
- }
- }
- p++;
- Mvboard[sq] = atoi (InPtr);
- skip ();
- }
- }
- GameCnt = 0;
- flag.regularstart = true;
- Book = BOOKFAIL;
- fgets (fname, 256, fd);
- fgets (fname, 256, fd);
- fgets (fname, 256, fd);
- while (fgets (fname, 256, fd))
- {
- struct GameRec *g;
- int side = computer;
-
- side = side ^ 1;
- ++GameCnt;
- InPtr = fname;
- skipb ();
- g = &GameList[GameCnt];
- g->gmove = parser (InPtr, side);
- skip ();
- g->score = atoi (InPtr);
- skip ();
- g->depth = atoi (InPtr);
- skip ();
- g->nodes = atoi (InPtr);
- skip ();
- g->time = atoi (InPtr);
- skip ();
- g->flags = c = atoi (InPtr);
- skip ();
- g->hashkey = strtol (InPtr, (char **) NULL, 16);
- skip ();
- g->hashbd = strtol (InPtr, (char **) NULL, 16);
- g->piece = no_piece;
- g->color = neutral;
- if (c & (capture | cstlmask))
- {
- if (c & capture)
- {
- skip ();
- for (c = 0; c < 8; c++)
- if (pxx[c] == *InPtr)
- break;
- g->piece = c;
- }
- skip ();
- g->color = ((*InPtr == CP[119][0]) ? black : white);
- }
- }
- /* GameCnt--; */
- if (TimeControl.clock[white] > 0)
- TCflag = true;
- fclose (fd);
- }
- else
- WarnMessage (CP[48]);
-
- ZeroRPT ();
- InitializeStats ();
- UpdateDisplay (0, 0, 1, 0);
- Sdepth = 0;
- hint = 0;
- }
-
- #ifndef AMIGA
- void
- GetXGame (void)
- {
- FILE *fd;
- char fname[256], *p;
- int c, i, j;
- short sq;
- /* Enter file name */
- ShowMessage (CP[63]);
- scanz ("%s", fname);
- if (fname[0] == '\0')
- /* xboard.position.read*/
- strcpy (fname, CP[205]);
- if ((fd = fopen (fname, "r")) != NULL)
- {
- NewGame ();
- flag.regularstart = false;
- Book = false;
- fgets (fname, 256, fd);
- fname[6] = '\0';
- if (strcmp (fname, CP[206]))
- return;
- fgets (fname, 256, fd);
- fgets (fname, 256, fd);
- for (i = 7; i > -1; i--)
- {
- fgets (fname, 256, fd);
- p = fname;
- for (j = 0; j < 8; j++)
- {
- sq = i * 8 + j;
- if (*p == '.')
- {
- board[sq] = no_piece;
- color[sq] = neutral;
- }
- else
- {
- for (c = 0; c < 8; c++)
- {
- if (*p == qxx[c])
- {
- board[sq] = c;
- color[sq] = black;
- }
- }
- for (c = 0; c < 8; c++)
- {
- if (*p == pxx[c])
- {
- board[sq] = c;
- color[sq] = white;
- }
- }
- }
- p += 2;
- }
- }
- fclose (fd);
- }
- else
- WarnMessage (CP[48]);
- ZeroRPT ();
- InitializeStats ();
- UpdateDisplay (0, 0, 1, 0);
- Sdepth = 0;
- hint = 0;
- }
- #endif /* AMIGA */
-
- void
- SaveGame (void)
- {
- FILE *fd;
- char fname[256];
- short sq, i, c, f, t;
- char p;
-
- if (savefile[0])
- strcpy (fname, savefile);
- else
- {
- /* Enter file name*/
- ShowMessage (CP[63]);
- scanz ("%s", fname);
- }
-
- if (fname[0] == '\0')
- /* chess.000 */
- strcpy (fname, CP[137]);
- if ((fd = fopen (fname, "w")) != NULL)
- {
- char *b, *w;
-
- b = w = CP[74];
- if (computer == black)
- b = CP[141];
- if (computer == white)
- w = CP[141];
- fprintf (fd, CP[37], b, w, Game50);
- fprintf (fd, CP[42], castld[white] ? CP[214] : CP[215], castld[black] ? CP[214] : CP[215]);
- fprintf (fd, CP[111], TCflag, OperatorTime);
- fprintf (fd, CP[117],
- TimeControl.clock[white], TimeControl.moves[white],
- TimeControl.clock[black], TimeControl.moves[black]);
- for (i = 7; i > -1; i--)
- {
- fprintf (fd, "%1d ", i + 1);
- for (c = 0; c < 8; c++)
- {
- sq = i * 8 + c;
- switch (color[sq])
- {
- case black:
- p = pxx[board[sq]];
- break;
- case white:
- p = qxx[board[sq]];
- break;
- default:
- p = '.';
- }
- fprintf (fd, "%c", p);
- }
- for (f = i * 8; f < i * 8 + 8; f++)
- fprintf (fd, " %d", Mvboard[f]);
- fprintf (fd, "\n");
- }
- fprintf (fd, " %s\n", cxx);
- fprintf (fd, CP[126]);
- for (i = 1; i <= GameCnt; i++)
- {
- struct GameRec *g = &GameList[i];
-
- f = g->gmove >> 8;
- t = (g->gmove & 0xFF);
- algbr (f, t, g->flags);
- fprintf (fd, "%s %5d %5d %7ld %5d %5d %#08lx %#08lx %c %s\n",
- mvstr[0], g->score, g->depth,
- g->nodes, g->time, g->flags, g->hashkey, g->hashbd,
- pxx[g->piece], ((g->color == 2) ? " " : ColorStr[g->color]));
- }
- fclose (fd);
- /* Game saved */
- ShowMessage (CP[70]);
- }
- else
- /*ShowMessage ("Could not open file");*/
- WarnMessage (CP[48]);
- }
-
- void
- ListGame (void)
- {
- FILE *fd;
- short i, f, t;
- long when;
- char fname[256], dbuf[256];
-
- if (listfile[0])
- strcpy (fname, listfile);
- else
- {
- #ifdef MSDOS
- sprintf (fname, "chess.lst");
- #else
- time (&when);
- strncpy (dbuf, ctime (&when), 20);
- dbuf[7] = '\0';
- dbuf[10] = '\0';
- dbuf[13] = '\0';
- dbuf[16] = '\0';
- dbuf[19] = '\0';
- /* use format "CLp16.Jan01-020304B" when patchlevel is 16,
- date is Jan 1
- time is 02:03:04
- program played black */
- sprintf (fname, "CLp%s.%s%s-%s%s%s%c", patchlevel, dbuf + 4, dbuf + 8, dbuf + 11, dbuf + 14, dbuf + 17, ColorStr[computer][0]);
- /* replace space padding with 0 */
- for (i = 0; fname[i] != '\0'; i++)
- if (fname[i] == ' ')
- fname[i] = '0';
- #endif /* MSDOS */
- }
- fd = fopen (fname, "w");
- if (!fd)
- {
- fprintf (stderr, CP[219], fname);
- exit (1);
- }
- /*fprintf (fd, "gnuchess game %d\n", u);*/
- fprintf (fd, CP[161], patchlevel);
- fprintf (fd, CP[10]);
- fprintf (fd, CP[11]);
- for (i = 1; i <= GameCnt; i++)
- {
- f = GameList[i].gmove >> 8;
- t = (GameList[i].gmove & 0xFF);
- algbr (f, t, GameList[i].flags);
- fprintf (fd, "%5s %5d %2d %7ld %5d", mvstr[0],
- GameList[i].score, GameList[i].depth,
- GameList[i].nodes, GameList[i].time);
- if ((i % 2) == 0)
- {
- fprintf (fd, "\n");
- #ifdef DEBUG40
- if (computer == black)
- fprintf (fd, " %d %d %d %d %d %d %d\n",
- GameList[i].d1,
- GameList[i].d2,
- GameList[i].d3,
- GameList[i].d4,
- GameList[i].d5,
- GameList[i].d6,
- GameList[i].d7);
- else
- fprintf (fd, " %d %d %d %d %d %d %d\n",
- GameList[i - 1].d1,
- GameList[i - 1].d2,
- GameList[i - 1].d3,
- GameList[i - 1].d4,
- GameList[i - 1].d5,
- GameList[i - 1].d6,
- GameList[i - 1].d7);
- #endif
- }
- else
- fprintf (fd, " ");
- }
- fprintf (fd, "\n\n");
- if (GameList[GameCnt].flags & draw)
- {
- fprintf (fd, CP[54], DRAW);
- }
- else if (GameList[GameCnt].score == -9999)
- {
- fprintf (fd, "%s\n", ColorStr[player ]);
- }
- else if (GameList[GameCnt].score == 9998)
- {
- fprintf (fd, "%s\n", ColorStr[player ^ 1]);
- }
- fclose (fd);
- }
-
- void
- Undo (void)
-
- /*
- * Undo the most recent half-move.
- */
-
- {
- short f, t;
- f = GameList[GameCnt].gmove >> 8;
- t = GameList[GameCnt].gmove & 0xFF;
- if (board[t] == king && distance (t, f) > 1)
- (void) castle (GameList[GameCnt].color, f, t, 2);
- else
- {
- /* Check for promotion: */
- if (GameList[GameCnt].flags & promote)
- {
- board[t] = pawn;
- }
- board[f] = board[t];
- color[f] = color[t];
- board[t] = GameList[GameCnt].piece;
- color[t] = GameList[GameCnt].color;
- if (color[t] != neutral)
- Mvboard[t]--;
- Mvboard[f]--;
- }
- if (GameList[GameCnt].flags & epmask)
- EnPassant (otherside[color[f]], f, t, 2);
- else
- InitializeStats ();
- if (TCflag && (TCmoves>1))
- ++TimeControl.moves[color[f]];
- hashkey = GameList[GameCnt].hashkey;
- hashbd = GameList[GameCnt].hashbd;
- GameCnt--;
- computer = computer ^ 1;
- opponent = opponent ^ 1;
- flag.mate = false;
- Sdepth = 0;
- player = player ^ 1;
- ShowSidetoMove ();
- UpdateDisplay (0, 0, 1, 0);
- if (flag.regularstart)
- Book = BOOKFAIL;
- }
-
- void
- TestSpeed (void (*f) (short int side, short int ply), unsigned j)
- {
- short i;
- long cnt, rate, t1, t2;
-
- t1 = time (0);
- for (i = 0; i < j; i++)
- {
- f (opponent, 2);
- }
- t2 = time (0);
- cnt = j * (TrPnt[3] - TrPnt[2]);
- if (t2 - t1)
- et = (t2 - t1) * 100;
- else
- et = 1;
- rate = (et) ? (cnt / et) : 0;
- /*printz ("Nodes= %ld Nodes/sec= %ld\n", cnt, rate);*/
- #ifdef NONDSP
- printz (CP[91], cnt, rate*100);
- #ifdef DEBUG9
- for (j = TrPnt[2]; j < TrPnt[3]; j++)
- {
- struct leaf *node = &Tree[j];
- algbr (node->f, node->t, node->flags);
- printf ("%s %s %s %s %d %x\n", mvstr[0], mvstr[1], mvstr[2], mvstr[3],node->score,node->flags);
- }
- #endif
- #else
- ShowNodeCnt (cnt);
- #endif
- }
-
- void
- TestPSpeed (short int (*f) (short int side), unsigned j)
- {
- short i;
- long cnt, rate, t1, t2;
- short int t;
-
- t1 = time (0);
- for (i = 0; i < j; i++)
- {
- (void) f (opponent);
- }
- t2 = time (0);
- cnt = j;
- if (t2 - t1)
- et = (t2 - t1) * 100;
- else
- et = 1;
- rate = (et) ? (cnt / et) : 0;
- /*printz ("Nodes= %ld Nodes/sec= %ld\n", cnt, rate);*/
- #ifdef NONDSP
- printz (CP[91], cnt, rate*100);
- #else
- ShowNodeCnt (cnt);
- #endif
- }
-
-
- void
- SetMachineTime (char *s)
- {
- char *time;
- int m, t;
- time = &s[strlen (CP[197])];
- t = strtol (time, &time, 10);
- m = strtol (time, &time, 10);
- if (t)
- TimeControl.clock[computer] = t;
- if (m)
- TimeControl.moves[computer] = m;
- #ifdef XBOARD
- printz (CP[222], m, t);
- #endif
- }
-
-
- void
- InputCommand (void)
-
- /*
- * Process the users command. If easy mode is OFF (the computer is thinking
- * on opponents time) and the program is out of book, then make the 'hint'
- * move on the board and call SelectMove() to find a response. The user
- * terminates the search by entering ^C (quit siqnal) before entering a
- * command. If the opponent does not make the hint move, then set Sdepth to
- * zero.
- */
-
- {
- int i = 0;
- short have_shown_prompt = false;
- short ok, tmp;
- unsigned short mv;
- char s[80], sx[80];
-
- #if defined CHESSTOOL
- short normal = false;
-
- #endif
-
- ok = flag.quit = false;
- player = opponent;
- ft = 0;
- if (hint > 0 && !flag.easy && !flag.force)
- if ((board[hint >> 8] != pawn) || ((row (hint & 0xFF) != 0) && (row (hint & 0xFF) != 7)))
- {
- fflush (stdout);
- time0 = time ((long *) 0);
- algbr ((short) hint >> 8, (short) hint & 0xFF, false);
- strcpy (s, mvstr[0]);
- tmp = epsquare;
- #ifdef DEBUG12
- if (1)
- {
- FILE *D;
- int r, c, l;
- extern unsigned short int PrVar[];
- extern struct leaf rootnode;
- D = fopen ("/tmp/DEBUGA", "a+");
- fprintf (D, "score = %d\n", rootnode.score);
- fprintf (D, "inout move is %s\n", s);
- for (r = 1; PrVar[r]; r++)
- {
- algbr (PrVar[r] >> 8, PrVar[r] & 0xff, (short) 0);
- fprintf (D, " %s", mvstr[0]);
- }
- fprintf (D, "\n current board is\n");
- for (r = 7; r >= 0; r--)
- {
- for (c = 0; c <= 7; c++)
- {
- l = locn (r, c);
- if (color[l] == neutral)
- fprintf (D, " -");
- else if (color[l] == white)
- fprintf (D, " %c", qxx[board[l]]);
- else
- fprintf (D, " %c", pxx[board[l]]);
- }
- fprintf (D, "\n");
- }
- fprintf (D, "\n");
- fclose (D);
- }
- #endif
- #if !defined CHESSTOOL
- if (flag.post)
- GiveHint ();
- #endif
- if (VerifyMove (s, 1, &mv))
- {
- Sdepth = 0;
- #ifdef QUIETBACKGROUND
- #ifdef NONDSP
- PromptForMove ();
- #else
- ShowSidetoMove ();
- ShowPrompt ();
- #endif
- have_shown_prompt = true;
- #endif /* QUIETBACKGROUND */
- SelectMove (computer, 2);
- VerifyMove (s, 2, &mv);
- Sdepth = 0;
- }
- ft = (time ((long *) 0) - time0) * 100;
- epsquare = tmp;
- }
- while (!(ok || flag.quit))
- {
- #if defined CHESSTOOL
- normal = false;
- #endif
- player = opponent;
- #ifdef QUIETBACKGROUND
- if (!have_shown_prompt)
- {
- #endif /* QUIETBACKGROUND */
- #ifdef NONDSP
- PromptForMove ();
- #else
- ShowSidetoMove ();
- ShowPrompt ();
- #endif
- #ifdef QUIETBACKGROUND
- }
- have_shown_prompt = false;
- #endif /* QUIETBACKGROUND */
- #ifdef NONDSP
- s[0] = sx[0] = '\0';
- while (!sx[0])
- i = (int) gets (sx);
- #else
- #ifndef AMIGA
- fflush (stdout);
- i = (int) getstr (sx);
- #else
- cursoron();
- #ifndef NON_GFX
- get_command = true;
- #endif
- i = (int) getstr (sx);
- #ifndef NON_GFX
- get_command = false;
- #endif
- cursoroff();
- #endif /* AMIGA */
- #endif
- ClearMessage();
- sscanf (sx, "%s", s);
- if (i == EOF)
- ExitChess ();
- if (s[0] == '\0')
- continue;
- if (stricmp (s, CP[131]) == 0) /*bd*/
- {
- #if defined CHESSTOOL || defined XBOARD
- chesstool = 0;
- #endif /* CHESSTOOL */
- ClrScreen ();
- UpdateDisplay (0, 0, 1, 0);
- #if defined CHESSTOOL || defined XBOARD
- chesstool = 1;
- #endif /* CHESSTOOL */
- }
- else if (stricmp (s, CP[129]) == 0) /* noop */ ; /*alg*/
- else if ((stricmp (s, CP[180]) == 0) || (stricmp (s, CP[216]) == 0)) /* quit exit*/
- flag.quit = true;
- else if (stricmp (s, CP[178]) == 0) /*post*/
- {
- flag.post = !flag.post;
- }
- else if ((stricmp (s, CP[191]) == 0) || (stricmp (s, CP[154]) == 0)) /*set edit*/
- EditBoard ();
- #ifdef NONDSP
- else if (stricmp (s, CP[190]) == 0) /*setup*/
- SetupBoard ();
- #endif
- else if (stricmp (s, CP[156]) == 0) /*first*/
- {
- #if defined CHESSTOOL
- computer = white;
- opponent = black;
- flag.force = false;
- Sdepth = 0;
- #endif /* CHESSTOOL */
- ok = true;
- }
- else if (stricmp (s, CP[162]) == 0) /*go*/
- {
- ok = true;
- flag.force = false;
- if (computer == white)
- {
- computer = black;
- opponent = white;
- }
- else
- {
- computer = white;
- opponent = black;
- }
- ShowPlayers();
- }
- else if (stricmp (s, CP[166]) == 0 || stricmp (s, "?") == 0) /*help*/
- help ();
- else if (stricmp (s, CP[221]) == 0) /*material*/
- flag.material = !flag.material;
- else if (stricmp (s, CP[157]) == 0) /*force*/
- {flag.force = !flag.force; flag.bothsides = false;}
- else if (stricmp (s, CP[134]) == 0) /*book*/
- Book = Book ? 0 : BOOKFAIL;
- else if (stricmp (s, CP[172]) == 0) /*new*/
- {
- NewGame ();
- UpdateDisplay (0, 0, 1, 0);
- }
- else if (stricmp (s, CP[171]) == 0) /*list*/
- ListGame ();
- else if (stricmp (s, CP[169]) == 0 || stricmp (s, CP[217]) == 0) /*level clock*/
- SelectLevel ();
- else if (stricmp (s, CP[165]) == 0) /*hash*/
- flag.hash = !flag.hash;
- else if (stricmp (s, CP[132]) == 0) /*beep*/
- flag.beep = !flag.beep;
- else if (stricmp (s, CP[197]) == 0) /*time*/
- {
- SetMachineTime (sx);
- }
- else if (stricmp (s, CP[33]) == 0) /*Awindow*/
- ChangeAlphaWindow ();
- else if (stricmp (s, CP[39]) == 0) /*Bwindow*/
- ChangeBetaWindow ();
- else if (stricmp (s, CP[183]) == 0) /*rcptr*/
- flag.rcptr = !flag.rcptr;
- else if (stricmp (s, CP[168]) == 0) /*hint*/
- GiveHint ();
- else if (stricmp (s, CP[135]) == 0) /*both*/
- {
- flag.bothsides = !flag.bothsides;
- flag.force = false;
- Sdepth = 0;
- ElapsedTime (1);
- SelectMove (opponent, 1);
- ok = true;
- }
- else if (stricmp (s, CP[185]) == 0) /*reverse*/
- {
- flag.reverse = !flag.reverse;
- ClrScreen ();
- UpdateDisplay (0, 0, 1, 0);
- }
- else if (stricmp (s, CP[195]) == 0) /*switch*/
- {
- computer = computer ^ 1;
- opponent = opponent ^ 1;
- xwndw = (computer == white) ? WXWNDW : BXWNDW;
- flag.force = false;
- Sdepth = 0;
- ok = true;
- ShowPlayers();
- }
- else if (stricmp (s, CP[203]) == 0) /*white*/
- {
- computer = black;
- opponent = white;
- xwndw = WXWNDW;
- flag.force = false;
- Sdepth = 0;
-
- /*
- * ok = true; don't automatically start with white command
- */
- }
- else if (stricmp (s, CP[133]) == 0) /*black*/
- {
- computer = white;
- opponent = black;
- xwndw = BXWNDW;
- flag.force = false;
- Sdepth = 0;
-
- /*
- * ok = true; don't automatically start with black command
- */
- }
- else if (stricmp (s, CP[201]) == 0 && GameCnt > 0) /*undo*/
- {
- Undo ();
- }
- else if (stricmp (s, CP[184]) == 0 && GameCnt > 1) /*remove*/
- {
- Undo ();
- Undo ();
- }
- else if (stricmp (s, CP[160]) == 0) /*get*/
- GetGame ();
- #ifndef AMIGA
- else if (stricmp (s, CP[207]) == 0) /*xget*/
- GetXGame ();
- #endif
- else if (stricmp (s, CP[189]) == 0) /*save*/
- SaveGame ();
- else if (stricmp (s, CP[151]) == 0) /*depth*/
- ChangeSearchDepth ();
- #ifdef DEBUG
- else if (stricmp (s, CP[147]) == 0) /*debuglevel*/
- ChangeDbLev ();
- #endif /* DEBUG */
- else if (stricmp (s, CP[164]) == 0) /*hashdepth*/
- ChangeHashDepth ();
- else if (stricmp (s, CP[182]) == 0) /*random*/
- dither = DITHER;
- else if (stricmp (s, CP[152]) == 0) /*easy*/
- #if defined(AMIGA) && defined(LATTICE) /* no way to interrupt in Lattice */
- ; /* yet... */
- #else
- flag.easy = !flag.easy;
- #endif
- else if (stricmp (s, CP[143]) == 0) /*contempt*/
- SetContempt ();
- else if (stricmp (s, CP[209]) == 0) /*xwndw*/
- ChangeXwindow ();
- else if (stricmp (s, CP[186]) == 0) /*rv*/
- {
- flag.rv = !flag.rv;
- UpdateDisplay (0, 0, 1, 0);
- }
- else if (stricmp (s, CP[145]) == 0) /*coords*/
- {
- flag.coords = !flag.coords;
- UpdateDisplay (0, 0, 1, 0);
- }
- else if (stricmp (s, CP[193]) == 0) /*stras*/
- {
- flag.stars = !flag.stars;
- UpdateDisplay (0, 0, 1, 0);
- }
- else if (stricmp (s, CP[196]) == 0) /*test*/
- {
- ShowMessage (CP[108]);/*test movelist*/
- TestSpeed (MoveList, 20000);
- ShowMessage (CP[107]);/*test capturelist*/
- TestSpeed (CaptureList, 30000);
- ShowMessage (CP[85]);/*test score position*/
- TestPSpeed (ScorePosition, 15000);
- }
- else
- if (stricmp (s, CP[179]) == 0) /*p*/
- ShowPostnValues ();
- else if (stricmp (s, CP[148]) == 0) /*debug*/
- DoDebug ();
- else if (stricmp (s, "Mwpawn") == 0) /*debug*/
- DoTable (Mwpawn);
- else if (stricmp (s, "Mbpawn") == 0) /*debug*/
- DoTable (Mbpawn);
- else if (stricmp (s, "Mwknight") == 0) /*debug*/
- DoTable (Mknight[white]);
- else if (stricmp (s, "Mbknight") == 0) /*debug*/
- DoTable (Mknight[black]);
- else if (stricmp (s, "Mwbishop") == 0) /*debug*/
- DoTable (Mbishop[white]);
- else if (stricmp (s, "Mbbishop") == 0) /*debug*/
- DoTable (Mbishop[black]);
- else
- {
- #if defined CHESSTOOL
- normal = (ok = VerifyMove (s, 0, &mv));
- #else
- ok = VerifyMove (s, 0, &mv);
- #endif
- if ((ok && mv != hint))
- {
- Sdepth = 0;
- ft = 0;
- }
- else
- Sdepth = 0;
- }
- }
-
- ElapsedTime (1);
- if (flag.force)
- {
- computer = opponent;
- opponent = computer ^ 1;
- }
- #if defined CHESSTOOL || defined XBOARD
- #if defined CHESSTOOL
- if (normal)
- if (computer == white)
- printz ("%d. %s", ++mycnt2, s);
- else
- printz ("%d. ... %s", ++mycnt2, s);
- #else
- printz ("%d. %s\n", ++mycnt2, s);
- #endif
- #ifdef notdef
- if (flag.post)
- {
- register int i;
-
- printz (" %6d ", MSCORE);
- for (i = 1; MV[i] > 0; i++)
- {
- algbr ((short) (MV[i] >> 8), (short) (MV[i] & 0xFF), false);
- printz ("%5s ", mvstr[0]);
- }
- }
- printz ("\n");
- #endif
- #endif /* CHESSTOOL */
- signal (SIGINT, TerminateSearch);
- #if !(defined(MSDOS) || defined(AMIGA))
- signal (SIGQUIT, TerminateSearch);
- #endif /* MSDOS */
- }
-
- void
- ElapsedTime (short int iop)
-
-
- /*
- * Determine the time that has passed since the search was started. If the
- * elapsed time exceeds the target (ResponseTime+ExtraTime) then set timeout
- * to true which will terminate the search. iop = 0 calculate et bump ETnodes
- * iop = 1 calculate et set timeout if time exceeded, calculate et
- */
-
- {
- #ifndef MSDOS
- long nchar;
- extern int errno;
- int i;
- #ifdef FIONREAD
- if (i = ioctl ((int) 0, FIONREAD, &nchar))
- {
- perror ("FIONREAD");
- fprintf (stderr,
- "You probably have a non-ANSI <ioctl.h>; see README. %d %d %x\n",
- i, errno, FIONREAD);
- exit (1);
- }
-
- if (nchar)
- {
- if (!flag.timeout)
- flag.musttimeout = true;
- flag.bothsides = false;
- }
- #endif /*FIONREAD*/
- #else
- if (kbhit ())
- {
- if (!flag.timeout)
- flag.musttimeout = true;
- flag.bothsides = false;
- }
- #endif /* MSDOS */
- et = (time ((long *) 0) - time0) * 100;
- ETnodes = NodeCnt + ZNODES;
- if (et < 0)
- et = 0;
- if (iop == 1)
- {
- if (et > ResponseTime + ExtraTime && Sdepth > MINDEPTH)
- flag.timeout = true;
- ETnodes = NodeCnt + ZNODES;
- time0 = time ((long *) 0);
- }
- #if !defined NONDSP
- #ifdef QUIETBACKGROUND
- if (!background)
- #endif /* QUIETBACKGROUND */
- UpdateClocks ();
- #endif
- }
-
-
- void
- ResetTimeControl (void) /* reset clock using chosen level */
- {
- if (TCflag)
- {
- TimeControl.moves[white] = TimeControl.moves[black] = TCmoves;
- TimeControl.clock[white] = 6000L * TCminutes + TCseconds * 100;
- TimeControl.clock[black] = 6000L * TCminutes + TCseconds * 100;
- }
- }
-
- void
- SetTimeControl (void)
- {
- if (TCflag)
- {
- TimeControl.moves[white] = TimeControl.moves[black] = TCmoves;
- TimeControl.clock[white] += 6000L * TCminutes + TCseconds * 100;
- TimeControl.clock[black] += 6000L * TCminutes + TCseconds * 100;
- }
- else
- {
- TimeControl.moves[white] = TimeControl.moves[black] = 0;
- TimeControl.clock[white] = TimeControl.clock[black] = 0;
- }
- flag.onemove = (TCmoves == 1);
- et = 0;
- ElapsedTime (1);
- }
-